CN106368648A - Intelligent fracturing wellhead device for shale gas exploitation - Google Patents
Intelligent fracturing wellhead device for shale gas exploitation Download PDFInfo
- Publication number
- CN106368648A CN106368648A CN201510568343.2A CN201510568343A CN106368648A CN 106368648 A CN106368648 A CN 106368648A CN 201510568343 A CN201510568343 A CN 201510568343A CN 106368648 A CN106368648 A CN 106368648A
- Authority
- CN
- China
- Prior art keywords
- valve
- gate valve
- head
- shale gas
- flat gate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention discloses an intelligent fracturing wellhead device for shale gas exploitation. The intelligent fracturing wellhead device for shale gas exploitation comprises a tubing head four-way tube connected with a wellhead. A first manual flat gate valve, a hydraulic drive remote-controlled valve, a second flat gate valve, a counter-washing injection head and a third flat gate valve are sequentially connected to the upper end port of the tubing head four-way tube. A fourth flat gate valve and a fifth flat gate valve are sequentially connected to two end ports adjacent to the end port, connected with the wellhead, of the tubing head four-way tube correspondingly. After the fourth flat gate valve is connected with the fifth flat gate valve through a flange, a stop valve and a pressure gage are installed on the flange. The intelligent fracturing wellhead device for shale gas exploitation is simple in structure, convenient to operate, easy to maintain, high in reliability, low in single well exploitation cost and long in service life; remote control can be achieved any time through the hydraulic remote-controlled valve, the well can be opened through remote control, unnecessary loss and energy waste are avoided, and safety and reliability are guaranteed; and counter washing is formed through the counter-washing injection head when fluid passes through runner holes, scouring to the inner wall of the injection head is reduced to the maximum extent, and the service life of the product is prolonged.
Description
Technical field
The present invention relates to a kind of wellhead assembly, particularly a kind of intelligent shale gas device for fracturing wellhead, belong to petroleum drilling and mining, fracturing technique field.
Background technology
In recent years, shale gas are a dark horse in Unconventional forage, have become as the new highlight of Global Oil and Gas Resources exploration and development, shale gas exploitation simultaneously has strategic importance to China, the shale gas of cleaning low-carbon (LC) can increase natural gas supply, Optimization of Energy Structure, alleviate emission reduction.According to statistics, current world shale gas stock number is 456 tcms, is mainly distributed on the areas such as North America, the Central Asia and China, Middle East and North Africa, Latin America, the former Soviet Union, its potentiality is far longer than conventional gas.
Number of patent application is a kind of 201510113722.2 shale gas device for fracturing wellhead, all using manually opened gas checking valve, has that certain potential safety hazard, control technology be backward, service life is low and has flow-control and the defect such as forbidden.
Content of the invention
For above-mentioned technical problem, the purpose of the present invention is: proposes a kind of rational in infrastructure, easy to operate, safe and efficient intelligent shale gas device for fracturing wellhead.
The technical solution of the present invention is achieved in that a kind of intelligent shale gas device for fracturing wellhead, including the tubing head four-way being connected with well head, above described tubing head four-way upper port, it is connected with first manual flat gate valve, hydraulic remotely-controlled valve, the second flat gate valve, opposite-flushing type injection head and the 3rd flat gate valve in turn；The adjacent both ends mouth with well head connected port for the described tubing head four-way is sequentially connected fourth panel gate valve and the 5th flat gate valve respectively；After being connected by flange between described fourth panel gate valve and the 5th flat gate valve, equipped with stop valve and pressure gauge on flange；Sealed suspension device is loaded in described tubing head four-way upper port.
Further improved as the present invention, described opposite-flushing type injection head includes the opposite-flushing type injection head body that both sides have a pair of ear wing, and described opposite-flushing type injection head is originally provided with vivo and flows through passage for what oil pipe was passed through；All have in described ear wing and flow through the fracturing fluid runner hole that passage communicates；All it is connected to a union flange above two ear wings；Described union flange upper end is connected with pressure break flow meters by the tight cap of union.
Further improved as the present invention, the described passage that flows through is built with oil pipe protecting jacket.
Further improved as the present invention, it is provided with resistance to erosion detection means below described opposite-flushing type injection head.
Further improved as the present invention, described resistance to erosion detection means is mainly by being sequentially connected the hex nut of setting, threaded section and detection head；Described detection head is provided with erosion resistance detection scale.
Further improved as the present invention, described hydraulic remotely-controlled valve is included in valve body, the left valve gap being connected to valve body two side ends and right valve gap, the cylinder body being connected on left valve gap, the valve bonnet being connected on right valve gap and setting valve body for blocking the valve plate of circulation；It is provided with oiling nozzle, piston and the valve rod being connected with piston, this valve rod other end is connected with valve plate one end in described cylinder body；This valve plate other end is connected with lower guide post.
Further improved as the present invention, described left valve gap is provided with stop-leak compound injection valve；Described right valve gap is provided with ball-and-seat.
Due to the utilization of technique scheme, the present invention compared with prior art has the advantage that
The intelligent shale gas device for fracturing wellhead of the present invention, have structure be simple and convenient to operate, for ease of maintenaince, reliability high, exploitation individual well expense is low, the features such as long service life；Remote can realize well head remote control and drive a well at any time by the design of hydraulic remotely-controlled valve arrangement, it is to avoid unnecessary loss and the energy allow expense, not only safety but also reliable, improve its safety；By the structure design of opposite-flushing type injection head, formed when fluid enters inner chamber through runner hole and liquidate it is ensured that maximum reduction is washed away to injection head inwall, extend product service life.
Brief description
Below in conjunction with the accompanying drawings technical solution of the present invention is described further:
Accompanying drawing 1 is the structural representation of a kind of intelligent shale gas device for fracturing wellhead of the present invention；
Accompanying drawing 2 is the structural representation of the resistance to erosion detection means of the present invention；
Accompanying drawing 3 is the structural representation of the hydraulic remotely-controlled valve of the present invention；
Wherein: 1, tubing head four-way；2nd, first manual flat gate valve；3rd, hydraulic remotely-controlled valve；4th, the second flat gate valve；5th, opposite-flushing type injection head；6th, the 3rd flat gate valve；7th, fourth panel gate valve；8th, the 5th flat gate valve；9th, flange；10th, stop valve；11st, pressure gauge；12nd, sealed suspension device；13rd, resistance to erosion detection means；31st, valve body；32nd, left valve gap；33rd, right valve gap；34th, cylinder body；35th, valve bonnet；36th, valve plate；37th, oiling nozzle；38th, piston；39th, valve rod；40th, lower guide post；41st, rear valve base；42nd, oil cylinder fluid delivery outlet；51st, ear wing；52nd, opposite-flushing type injection head body；53rd, flow through passage；54th, fracturing fluid runner hole；55th, union flange；56th, the tight cap of union；57th, pressure break flow meters；58th, oil pipe protecting jacket；60th, studding bolt；61st, nut；62nd, stem packing；63rd, gripper shoe；64th, front valve seat；65th, stop-leak compound injection valve；66th, ball-and-seat；131st, hex nut；132nd, threaded section；133rd, detection head；134th, erosion resistance detection scale.
Specific embodiment
The present invention to be described below in conjunction with the accompanying drawings.
One of present invention as shown in Figure 1 intelligent shale gas device for fracturing wellhead, including the tubing head four-way 1 being connected with well head, it is connected with first manual flat gate valve 2, hydraulic remotely-controlled valve 3, the second flat gate valve 4, opposite-flushing type injection head 5 and the 3rd flat gate valve 6 above described tubing head four-way 1 upper port in turn；The adjacent both ends mouth with well head connected port for the described tubing head four-way 1 is sequentially connected fourth panel lock 7 and the 5th flat gate valve 8 respectively；Between described fourth panel gate valve 7 and the 5th flat gate valve 8 after flange 9 connection, equipped with stop valve 10 and pressure gauge 11 on flange 9；Sealed suspension device 12 is loaded in described tubing head four-way 1 upper port；Manual closing well be can achieve by first manual flat gate valve 2, the second flat gate valve 4, the 3rd flat gate valve 6, fourth panel lock 7 and the 5th flat gate valve 8；Remote can realize well head remote control and drive a well at any time by hydraulic remotely-controlled valve 3.
Described opposite-flushing type injection head 5 includes the opposite-flushing type injection head body 52 that both sides have a pair of ear wing 51, is provided with and flows through passage 53 for what oil pipe was passed through in described opposite-flushing type injection head body 52；All have in ear wing 51 and flow through the fracturing fluid runner hole 54 that passage 53 communicates；All it is connected to a union flange 55 above two ear wings 51；Described union flange 55 upper end is connected with pressure break flow meters 57, pressure break flow meters 57 by the tight cap of union 56, can reach precise control or calculate pressure sand amount.
There is the hand-hole symmetric design of the opposite-flushing type injection head of a pair of ear wing 51, formed when fluid enters inner chamber through runner hole and liquidate, take out energy it is ensured that maximum reduction is washed away to injection head inwall, extend product service life.
As accompanying drawing 1, shown in 2, opposite-flushing type injection head 5 lower section side has detection hole, in detection in the hole equipped with resistance to erosion detection means 13, resistance to erosion detection means 13 is mainly by the hex nut 131 being sequentially connected setting, threaded section 132 and detection head 133, detection head 133 is towards flowing through passage 53 direction, portion faces degradation degree can easily be washed away with real-time detection opposite-flushing type injection head 5, detection head 133 is provided with erosion resistance detection scale 134, erosion quantity according to resistance to erosion detection head, so it is known that the scour depth of month or a year is how many, it is used for judging the safe life that well head uses.
The described passage 53 that flows through, built with oil pipe protecting jacket 58, protects coiled tubing, it is to avoid oil pipe is washed out when high velocity fracturing liquid enters air stream enter runner hole.
As shown in accompanying drawing 1,3, described hydraulic remotely-controlled valve 3 is included in valve body 31, the left valve gap 32 being connected to valve body 31 two side ends and right valve gap 33, the cylinder body 34 being connected on left valve gap 32, the valve bonnet 35 being connected on right valve gap 33 and setting valve body 31 for blocking the valve plate 36 of circulation；It is provided with oiling nozzle 37, oil cylinder fluid delivery outlet 42, piston 38 and the valve rod 39 being connected with piston 38, this valve rod 39 other end is connected with valve plate 36 one end in described cylinder body 34；This valve plate 36 other end is connected with lower guide post 40.
Two valve seat orifice are machined with valve body 31 coordinate with rear valve base 41, both sides are connected with left valve gap 32, right valve gap 33 in processing bolt hole respectively respectively, studding bolt 60, nut 61 fasten left valve gap 32, right valve gap 33, lower guide post 40 guides for afterbody, stem packing 62 is used for the sealing of valve rod 39 and the sealing, lower guide post 40 and right valve gap 33 of left valve gap 32, gripper shoe 63 is used for supporting two front valve seats 64, and lower guide post 40 guides for valve plate 36.
Hydraulic operated valve remote control operation platform, controls hydraulic remotely-controlled valve, by, during oiling nozzle 37 oil-feed, the mobile valve plate 36 of piston 38 band ovable valve stem 39 is moved to the left, and valve is opened；When by oil cylinder fluid delivery outlet 42 fuel-displaced when, the mobile valve plate 39 of piston 38 band ovable valve stem 39 moves right, and valve closing, thus reaching the purpose of closing well, realizes the effect of remotely control.
Left valve gap 32 is provided with stop-leak compound injection valve 65；Described right valve gap is provided with ball-and-seat 66.
Above-described embodiment only technology design to illustrate the invention and feature; its object is to allow person skilled in the art will appreciate that present disclosure and to be carried out; can not be limited the scope of the invention with this; all equivalence changes made according to spirit of the invention or modification, all should cover within the scope of the present invention.
Claims (7)
1. a kind of intelligent shale gas device for fracturing wellhead, including with the tubing head four-way that well head is connected it is characterised in that: be connected with first manual flat gate valve, hydraulic remotely-controlled valve, the second flat gate valve, opposite-flushing type injection head and the 3rd flat gate valve in turn above described tubing head four-way upper port；The adjacent both ends mouth with well head connected port for the described tubing head four-way is sequentially connected fourth panel gate valve and the 5th flat gate valve respectively；After being connected by flange between described fourth panel gate valve and the 5th flat gate valve, equipped with stop valve and pressure gauge on flange；Sealed suspension device is loaded in described tubing head four-way upper port.
2. intelligent shale gas device for fracturing wellhead according to claim 1, it is characterized in that: described opposite-flushing type injection head includes the opposite-flushing type injection head body that both sides have a pair of ear wing, and described opposite-flushing type injection head is originally provided with vivo and flows through passage for what oil pipe was passed through；All have in described ear wing and flow through the fracturing fluid runner hole that passage communicates；All it is connected to a union flange above two ear wings；Described union flange upper end is connected with pressure break flow meters by the tight cap of union.
3. intelligent shale gas device for fracturing wellhead according to claim 2 it is characterised in that: the described passage that flows through is built with oil pipe protecting jacket.
4. the intelligent shale gas device for fracturing wellhead according to Claims 2 or 3 it is characterised in that: be provided with resistance to erosion detection means below described opposite-flushing type injection head.
5. intelligent shale gas device for fracturing wellhead according to claim 4 it is characterised in that: described resistance to erosion detection means is mainly by being sequentially connected the hex nut of setting, threaded section and detection head；Described detection head is provided with erosion resistance detection scale.
6. intelligent shale gas device for fracturing wellhead according to claim 1 it is characterised in that: described hydraulic remotely-controlled valve include valve body, the left valve gap being connected to valve body two side ends and right valve gap, the cylinder body being connected on left valve gap, the valve bonnet being connected on right valve gap and setting valve body in for block circulation valve plate；It is provided with oiling nozzle, piston and the valve rod being connected with piston, this valve rod other end is connected with valve plate one end in described cylinder body；This valve plate other end is connected with lower guide post.
7. intelligent shale gas device for fracturing wellhead according to claim 6 it is characterised in that: be provided with stop-leak compound injection valve on described left valve gap；Described right valve gap is provided with ball-and-seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568343.2A CN106368648B (en) | 2015-09-08 | 2015-09-08 | A kind of intelligent shale gas device for fracturing wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510568343.2A CN106368648B (en) | 2015-09-08 | 2015-09-08 | A kind of intelligent shale gas device for fracturing wellhead |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106368648A true CN106368648A (en) | 2017-02-01 |
| CN106368648B CN106368648B (en) | 2019-04-19 |
Family
ID=57880417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510568343.2A Active CN106368648B (en) | 2015-09-08 | 2015-09-08 | A kind of intelligent shale gas device for fracturing wellhead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106368648B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825201A (en) * | 2018-08-17 | 2018-11-16 | 昆山艾蓓蓓阀门有限公司 | A kind of oil gas sand separation metering skid complexes for oil and gas extraction wellhead equipment |
| CN110469286A (en) * | 2019-07-24 | 2019-11-19 | 大庆油田有限责任公司 | A kind of combined pressure wellhead assembly for pressure break with pressure |
| CN113356836A (en) * | 2021-07-19 | 2021-09-07 | 中国石油天然气股份有限公司 | Analysis method for bolt looseness of shale gas fracturing wellhead device |
| CN114809984A (en) * | 2022-05-20 | 2022-07-29 | 盐城旭东机械有限公司 | Fracturing pilot production composite wellhead device |
| CN116181281A (en) * | 2023-04-27 | 2023-05-30 | 江苏雄越石油机械设备制造有限公司 | Combined multipurpose wellhead gate valve |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2121557A1 (en) * | 1993-05-11 | 1994-11-12 | John Craven | Valve assembly |
| CN202755944U (en) * | 2012-07-25 | 2013-02-27 | 重庆新泰机械有限责任公司 | Large diameter fracture well port device |
| CN202866750U (en) * | 2012-03-19 | 2013-04-10 | 江苏亿德隆石油机械有限公司 | Big mouth diameter oil-gas extraction wellhead device |
| CN203201520U (en) * | 2013-04-19 | 2013-09-18 | 金湖政轩石油机械有限公司 | High-pressure efficient fracture well head device |
| CN203835331U (en) * | 2014-04-22 | 2014-09-17 | 江苏金加钻采设备有限公司 | Hydraulic fracturing valve |
| CN204200168U (en) * | 2014-10-21 | 2015-03-11 | 建湖县鸿达阀门管件有限公司 | A kind of switch for fracture well head production tree and anticorrosion checkout gear |
| CN104695899A (en) * | 2015-03-16 | 2015-06-10 | 盐城市琪航石油机械有限公司 | Shale gas fracturing well head device |
| CN204476357U (en) * | 2015-02-09 | 2015-07-15 | 江苏腾龙石化机械有限公司 | Anti-erosion device for fracturing wellhead |
| CN205000945U (en) * | 2015-09-08 | 2016-01-27 | 建湖县鸿达阀门管件有限公司 | Intelligent shale atmospheric pressure splits wellhead assembly |
-
2015
- 2015-09-08 CN CN201510568343.2A patent/CN106368648B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2121557A1 (en) * | 1993-05-11 | 1994-11-12 | John Craven | Valve assembly |
| CN202866750U (en) * | 2012-03-19 | 2013-04-10 | 江苏亿德隆石油机械有限公司 | Big mouth diameter oil-gas extraction wellhead device |
| CN202755944U (en) * | 2012-07-25 | 2013-02-27 | 重庆新泰机械有限责任公司 | Large diameter fracture well port device |
| CN203201520U (en) * | 2013-04-19 | 2013-09-18 | 金湖政轩石油机械有限公司 | High-pressure efficient fracture well head device |
| CN203835331U (en) * | 2014-04-22 | 2014-09-17 | 江苏金加钻采设备有限公司 | Hydraulic fracturing valve |
| CN204200168U (en) * | 2014-10-21 | 2015-03-11 | 建湖县鸿达阀门管件有限公司 | A kind of switch for fracture well head production tree and anticorrosion checkout gear |
| CN204476357U (en) * | 2015-02-09 | 2015-07-15 | 江苏腾龙石化机械有限公司 | Anti-erosion device for fracturing wellhead |
| CN104695899A (en) * | 2015-03-16 | 2015-06-10 | 盐城市琪航石油机械有限公司 | Shale gas fracturing well head device |
| CN205000945U (en) * | 2015-09-08 | 2016-01-27 | 建湖县鸿达阀门管件有限公司 | Intelligent shale atmospheric pressure splits wellhead assembly |
Non-Patent Citations (1)
| Title |
|---|
| 吴德荣主编: "《化工装置工艺设计 下》", 31 August 2014, 上海：华东理工大学出版社 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108825201A (en) * | 2018-08-17 | 2018-11-16 | 昆山艾蓓蓓阀门有限公司 | A kind of oil gas sand separation metering skid complexes for oil and gas extraction wellhead equipment |
| CN110469286A (en) * | 2019-07-24 | 2019-11-19 | 大庆油田有限责任公司 | A kind of combined pressure wellhead assembly for pressure break with pressure |
| CN113356836A (en) * | 2021-07-19 | 2021-09-07 | 中国石油天然气股份有限公司 | Analysis method for bolt looseness of shale gas fracturing wellhead device |
| CN113356836B (en) * | 2021-07-19 | 2024-03-26 | 中国石油天然气股份有限公司 | Analysis method for bolt looseness of shale gas fracturing wellhead device |
| CN114809984A (en) * | 2022-05-20 | 2022-07-29 | 盐城旭东机械有限公司 | Fracturing pilot production composite wellhead device |
| CN116181281A (en) * | 2023-04-27 | 2023-05-30 | 江苏雄越石油机械设备制造有限公司 | Combined multipurpose wellhead gate valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106368648B (en) | 2019-04-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106368648A (en) | Intelligent fracturing wellhead device for shale gas exploitation | |
| CN201513157U (en) | Inverse well-flushing double seal check valve | |
| CN203452801U (en) | Sectional pulse grouting system for tunnel construction | |
| CN204403416U (en) | A kind of new type of sand prevention gate valve | |
| CN105781508A (en) | Constant-pressure throttling device for small-diameter water injection well | |
| CN109681159A (en) | A kind of oil field multitube separate layer water injection string | |
| CN103089204A (en) | Double-coal-bed layered pressure control device combining coal discharging and coal mining | |
| CN105089543B (en) | A kind of horizontal well pressure water control device | |
| CN202755956U (en) | Quantitative water distributor free from throwing and fishing | |
| CN204476357U (en) | Anti-erosion device for fracturing wellhead | |
| CN204040997U (en) | From grouting floating hoop float shoe | |
| CN203430497U (en) | Unconventional large-drift-diameter fracturing well head device | |
| RU115408U1 (en) | INSTALLATION FOR SIMULTANEOUSLY SEPARATE DEVELOPMENT OF TWO OPERATING OBJECTS ONE WELL | |
| CN205000945U (en) | Intelligent shale atmospheric pressure splits wellhead assembly | |
| CN207161058U (en) | Downhole pump sand control desilting cylinder | |
| CN103061724A (en) | Layered pressure control combined drainage-production device for double coal-beds prone to dust and sand spraying | |
| CN202707018U (en) | Bridge type eccentric overflowing water distributor and blanking plug thereof | |
| CN205089284U (en) | Water injection string bottom sand setting single current valve | |
| CN108150134A (en) | Drilling well boring tool inside blow-out preventer and method | |
| CN103470221A (en) | Underbalance tubing, no-killing gas lifting, shaft pumping and pump detecting combined method | |
| CN208122840U (en) | A kind of protection sleeve pipe volume fracturing tubing string | |
| CN103452496A (en) | Injection-production integrated automatic switching production joint for thick oil thermal production well | |
| CN108071365A (en) | A kind of coal bed gas gas production, draining and water injection integral pipe column | |
| CN108071376B (en) | Injection and production string in coal-bed gas well | |
| CN205558882U (en) | Level pressure throttling arrangement that minor diameter water injection well was used |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |